From the information provided, the it is correct to state that the researchers conclusions were warranted. This is because there was an experiment involving controllable and non-controllable variables.
<h3>What are the independent variable?</h3>
The independent variables are;
- The sun
- Hunger and affinity for the blood to be tasted
- Hunger and affinity for Fresh Human Flesh
- Hibernation during the day.
<h3>What are the dependent variables?</h3>
The dependent variables are:
<h3>What is the confounded variable?</h3>
- The drilling of the skull of the non-control bats;
<h3>What is one method to "unconfound" the experiment?</h3>
To unconfound the experiment, one would have to eliminate the process of skull drilling.
Learn mor about experiments;
brainly.com/question/17274244
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